-
Key management techniques for navel oranges in June-July
How should navel oranges be managed in June-July? Please provide an introduction to the management methods. Navel orange is one of the important varieties in citrus production, especially the preferred variety for processing orange juice. Therefore, in recent years, the planting area of navel oranges has shown an increasing trend. June-July is one of the key periods in high-quality, high-yield cultivation of navel oranges, and cultivation management must be effectively strengthened...
-
Do Oranges Also Have "Male" and "Female"? 3 Tricks to Pick Thin-Skinned, Juicy, Extra-Sweet Oranges
When it comes to the taste of oranges, everyone surely thinks of that sweet-and-sour flavor, but as a fruit we all quite enjoy eating, plenty of people are still willing to buy them. After all, oranges are not expensive, but when we buy them we always have to pick through them a bit...
-
Detailed Explanation of Control Methods for the Three Major Diseases of Navel Orange
When navel orange was top-grafted onto mature Satsuma mandarin trees, the fruiting characteristics appeared normal in the first two years, but thereafter varietal degeneration symptoms appeared year by year: shorter shoots, smaller leaves, lighter leaf color, weaker tree vigor; lower fruiting rate, smaller fruit size, dull and lusterless peel, weaker flavor, and declining fruit quality. In production practice...
-
Detailed Explanation of Summer Pruning Techniques and Methods for Navel Oranges
I. Variety Selection and Orchard Establishment. Through our comparative observation of 15 navel orange strains introduced and suitable for the subtropical humid climate, we found that Newhall, Linna, Frost, Fukumoto, and New-79 displayed high and stable yields, excellent quality, and strong marketability, making them valuable for promotion and development. The selection of navel orange seedlings should ensure...
-
Cultivation Technical Key Points for the Late Navel Orange Variety
1. Adaptability and suitable cultivation areas: It has relatively wide adaptability and can be planted in all navel orange suitable areas in China, but after planting there have been reports of low or unstable yields. 2. Cultivation technical key points and precautions: (1) Suitable rootstock and strong seedlings, rational planting: In acidic and neutral soils, trifoliate orange rootstock can be used; but in alkaline [soils], it is advisable to use...
-
What are the control methods for navel orange fruit cracking?
I. Causes 1. Climate: high temperature and drought in summer damage the peel tissue and cells; excessive rainfall after a long drought causes water uptake, creating excessive turgor pressure that damages the peel; 2. Peel factors: the peel tends toward maturity, the peel becomes thinner, and the flesh becomes softer; sugars in the juice continuously accumulate, accelerating water uptake and increasing turgor pressure; 3. Cultivation...
-
Detailed Explanation of Postharvest Commercial Handling Technology for Navel Orange Fruit
I. Growth and Development Indicators for High-Yield Navel Orange 1. Tree shape, plant height and canopy spread. For 4-5 year old trees, cultivate a natural round-headed shape; for mature trees, control the trunk height at 40 cm and tree height at about 2.5 m; the high-yield canopy spread should be maintained at about 2.80 m x 2.60 m. 2. Diameter and grading. The branch trunk diameter of Newhall should be...
-
Detailed Explanation of Key Cultivation Techniques for High-Yield Navel Oranges
1. Choose dwarfing rootstocks and graft dwarfing varieties, which is beneficial for early fruiting. Generally, the large-leaf small-flower strain of trifoliate orange (Poncirus trifoliata) is selected as the dwarfing rootstock. Trifoliate orange is currently a citrus rootstock with a dwarfing effect, and it has four strains, among which the large-leaf small-flower strain has a more ideal dwarfing effect. 2. Bend the roots for shallow planting, control the main...
-
Detailed Explanation of Key Points for Navel Orange Harvesting and Fresh-Keeping Techniques
It is now the navel orange harvest season. If fruit growers only focus on early orchard management while neglecting post-harvest fruit handling and fresh-keeping storage techniques, the fruit will deteriorate and rot, resulting in a bumper harvest without a bumper income. Pay attention to harvesting techniques. For navel orange fruit intended for storage after harvest, picking is generally best when 80% of the fruit surface has colored and the fruit has not yet softened...
-
How to prune navel orange trees with alternate bearing? Detailed methods
1. Girdling to promote flowering: In mid-September of the following year, use a girdling tool to girdle upright vigorous branches, with a blade spacing of 0.3 cm. After girdling, apply Flower Promotion King No. 2 (southern variety), which can control shoots and promote flowering, and protect flowers and fruits. 2. Pre-flowering pruning: Winter pruning should be light or skipped, with the focus placed on pre-flowering pruning. High...
条件筛选